Home / 17,140.87-23,665.40-10,776.16

Finding the Fourth Proportional to 17,140.87, 23,665.40 and 10,776.16

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Solution

The fourth proportional to 17,140.87, 23,665.40 and 10,776.16 is: 14,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.87 : 23,665.40 = 10,776.16 : x
  2. Step 2: Convert to fraction form
    17,140.87/23,665.40 = 10,776.16/x
  3. Step 3: Cross multiply
    17,140.87x = 23,665.40 × 10,776.16
  4. Step 4: Simplify right side
    17,140.87x = 255,022,136.86
  5. Step 5: Solve for x
    x = 255,022,136.86/17,140.87
  6. Step 6: Final answer
    x = 14,878.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.